Quick takeaway
JBL PartyBox 310 leads this matchup 1 to 1 on measured spec rows and by 50 points overall.
JBL PartyBox 310 vs Marshall Emberton II
Choose JBL PartyBox 310 if...
Pick JBL PartyBox 310 if connectivity are the reasons you are shopping in this category.
Choose Marshall Emberton II if...
Pick Marshall Emberton II if battery life are the reasons you are shopping in this category.
Side-by-side specs
This is the raw comparison view. It is there for the rows that actually decide the purchase, not just the headline winner badge.
Battery and power
| Spec | JBL PartyBox 310 | Marshall Emberton II |
|---|---|---|
| Battery Life | Up to 10+ hours typical | Up to 30 hours ✓ |
Connectivity
| Spec | JBL PartyBox 310 | Marshall Emberton II |
|---|---|---|
| Connectivity | Bluetooth 5.3 ✓ | Bluetooth 5.1 |
General
| Spec | JBL PartyBox 310 | Marshall Emberton II |
|---|---|---|
| Brand | JBL | Marshall |
| Category | Speaker | Speaker |
| Portable | Yes | Yes |
| Type | Bluetooth speaker | Portable Bluetooth speaker |
The verdict
Based on 6 spec comparisons plus user ratings, the JBL PartyBox 310 comes out ahead with a stronger overall score.
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Comparison FAQ
These answers explain how the score is built, when the lower-scoring option still makes sense, and what to confirm before you buy.
What is the JBL PartyBox 310 vs Marshall Emberton II score measuring?
VSFinder compares 4 visible spec rows, then blends those wins with current price and Amazon rating signals so the page reflects both raw specs and real shopping context.
When does the lower-scoring option still make sense?
The lower-scoring model can still be the better buy if the few areas where it wins line up with how you shop. That matters most when those wins cover the exact features you care about more than the overall leader.
What should I confirm before I buy?
Confirm the live Amazon listing for price and availability, then double-check the few spec rows that matter most to your use case. We currently track $129.99 for JBL PartyBox 310 and $129.99 for Marshall Emberton II.